3-4. Installing the Drain Piping

(1)Prepare standard hard PVC pipe (locally purchased O.D. 1-1/32" (26 mm)) for the drain and use the supplied hose band to prevent water leaks. (Fig. 6-5)

(2)To install the drain hose, first place 1 of the 2 hose bands over the unit drain port and the other hose band over the hard PVC pipe (not supplied). Then connect both ends of the supplied drain hose. (Fig. 6-5)

(3)On the unit drain side, grasp the hose band with pliers and insert the drain hose all the way to the base.

If other commercially available hose bands are used, the drain hose may become pinched or wrinkled and there is danger of water leakage. Therefore be sure to use the supplied hose bands. When sliding the hose bands, be careful to avoid scratching the drain hose.

Do not use adhesive when connecting the supplied drain hose to the drain port (either on the main unit or the PVC pipe).

Reasons: a) It may cause water to leak from the connec- tion. Since the connection is slippery just after the adhesive has been applied, the pipe easily slips off.

b)The pipe cannot be removed when mainte- nance is needed.

(4)Wrap the hose with the supplied drain hose insulation and use the 4 twist ties so that the hose is insulated with no gaps.

Do not bend the supplied drain hose 90° or more. The hose may slip off.

NOTE

Make sure the drain pipe has a downward gradient (1/100 or more) and that there are no water traps.

CAUTION

In cases where it is necessary to raise the height of the drain piping, the drain piping can be raised to a maximum height of 2.78 ft. (850 mm) above the bottom surface of the ceiling. Under no conditions attempt to raise it higher than 2.78 ft. (850 mm) above the bottom surface of the ceiling. Doing so will result in water leakage. (Fig. 6-7)

Do not use natural drainage.

Do not install the pipe with an upward gradient from the connection port. This will cause the drain water to flow backward and leak when the unit is not operating.

(Fig. 6-8)

Do not apply force to the piping on the unit side when connecting the drain pipe. The pipe should not be allowed to hang unsupported from its connection to the unit. Fas- ten the pipe to a wall, frame, or other support as close to the unit as possible. (Fig. 6-9)

Provide insulation for any pipes that are run indoors.

Twist tie

(4 vinyl ties, supplied)

Drain port

Drain hose

Hard PVC pipe

Position to

insulation

(equivalent to

fasten hose

 

(supplied)

O.D. 1-1/32" (26mm))

 

 

(locally purchased)

bands

 

 

 

 

 

 

Drain hose

 

 

 

 

(supplied)

 

3/16"

3/16"

 

 

 

(5mm)

(5mm)

 

 

 

15/16"

15/16"

Hose band

 

(25mm)

(25mm)

(2 bands, supplied)

 

5-1/2"(140mm)

 

 

 

Unit

 

 

 

 

 

Fig. 6-5

 

 

CAUTION

 Attach so that the hose band

fastener is on the side of the

 

 

 

drain port.

Attach the hose bands so that each is approximately 3/16" (5 mm) to 15/16" (25 mm) from the end of the supplied drain hose.

Air bleeder prohibited

Fig. 6-6

CAUTION  Do not install an air bleeder as this may cause water to spray

from the drain pipe outlet. (Fig. 6-6)

1 ft.(300mm) or less

2.78 ft.(850mm) or less

0 - 45

/HQJWKRIVXSSOLHGGUDLQKRVH  mm)

Fig. 6-7

Uphill slope

Fig. 6-8

Support bracket

Fig. 6-9

8

Page 84
Image 84
Panasonic R410A Installing the Drain Piping,  Attach so that the hose band, Fastener is on the side, Drain port

R410A specifications

Panasonic R410A is a refrigerant that has gained significant popularity in the air conditioning and refrigeration industry due to its favorable environmental properties and performance characteristics. Specifically designed to replace the harmful R22 refrigerant, which is being phased out due to its ozone-depleting potential, R410A offers a more eco-friendly alternative without compromising on efficiency or power.

One of the main features of R410A is its high energy efficiency. It operates at a higher pressure than R22, resulting in better heat transfer capabilities. This increased efficiency translates to lower energy consumption, making units using R410A more cost-effective in the long run. Additionally, R410A is known for its ability to provide excellent cooling performance even in high-temperature environments, making it suitable for a variety of applications, from residential air conditioning systems to commercial refrigeration units.

In terms of composition, R410A is a blend of two hydrofluorocarbons (HFCs), namely R32 and R125. This combination not only minimizes ozone depletion potential (ODP) but also reduces global warming potential (GWP) compared to older refrigerants. Panasonic has emphasized the importance of innovative technologies in its products, and R410A aligns perfectly with the company's commitment to developing sustainable solutions.

Panasonic also integrates advanced technologies to optimize the performance of R410A systems. For example, variable speed compressors, known as inverter technology, enhance system efficiency by adjusting the compressor's speed according to the cooling demand. This ensures that energy is only consumed when needed, further reducing operational costs.

Furthermore, R410A has a wide range of applications, including air conditioning systems, heat pumps, and chillers. Its versatility makes it a popular choice among manufacturers and consumers alike. The refrigerant is also compatible with existing R22 equipment, although specific retrofit procedures must be followed to ensure peak performance and reliability.

In conclusion, Panasonic R410A stands out as an innovative refrigerant choice in the HVAC industry, offering a combination of energy efficiency, environmentally friendly properties, and advanced technologies. As regulatory frameworks continue to tighten on greenhouse gas emissions, R410A and similar refrigerants are expected to play a crucial role in shaping a more sustainable future for air conditioning and refrigeration. Its high performance and lower environmental impact solidify its position as a leading refrigerant in contemporary cooling solutions.